US Bridges

W180-S99 Connector over State Route 99

Good

Fresno County, California · 06-FRE-180-R56.25-FRE · Structure no. 42 0299F

Built
1995
30 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
292 ft
2 main spans
Daily traffic
5,000
2013 count
Owner
State
State Highway Agency

About this bridge

W180-S99 Connector over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying W180-S99 Connector over State Route 99 in Fresno County, California. It was built in 1995, so it is 30 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,000 vehicles a day, roughly 15% of them trucks, projected to reach 5,743 by 2042. The structure is 292 ft (89 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesW180-S99 Connector
CrossesState Route 99
Location06-FRE-180-R56.25-FRE
RouteState Highway 180
Coordinates36.7408, -119.81556
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length292 ft (89 m)
Longest span147 ft (44.8 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2013)
Projected traffic5,743 by 2042
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W180-S99 Connector over State Route 99 built?

It was built in 1995, making it 30 years old in 2025.

What condition is W180-S99 Connector over State Route 99 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does W180-S99 Connector over State Route 99 carry?

About 5,000 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is W180-S99 Connector over State Route 99?

The structure is 292 ft (89 m) long with a longest span of 147 ft (44.8 m) and a deck 31 ft wide.

Who owns W180-S99 Connector over State Route 99?

It is owned by the State Highway Agency.